IBM i 7.3-7.6 Local Info Disclosure via Missing Tree Check in File Handle
CVE-2026-17073 Published on October 16, 2026
IBM i is Affected By Improper Authorization and Access Control Vulnerabilities in Network File System
IBM i 7.3, 7.4, 7.5, and 7.6 could allow a local attacker to obtain sensitive information due to missing subtree checks during file handle resolution.
Vulnerability Analysis
CVE-2026-17073 can be exploited with network access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have a small impact on confidentiality and integrity, and no impact on availability.
Weakness Type
What is an Authorization Vulnerability?
The software does not restrict or incorrectly restricts access to a resource from an unauthorized actor.
CVE-2026-17073 has been classified to as an Authorization vulnerability or weakness.
Products Associated with CVE-2026-17073
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Affected Versions
IBM i:- Version 7.6 is affected.
- Version 7.5 is affected.
- Version 7.4 is affected.
- Version 7.3 is affected.